Firearm cleaning adapter



FIG. 1 is a perspective view from the front left view of the firearm cleaning adapter;

FIG. 2 is a bottom side view thereof;

FIG. 3 is a top side view thereof;

FIG. 4 is an end view of the left side thereof; and,

FIG. 5 is an end view of the right side thereof.

The broken lines shown in the drawings illustrate portions of the firearm cleaning adapter that form no part of the claimed design. 

CLAIM I claim the ornamental design for a firearm cleaning adapter, as shown and described. 